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Stabilizing New Morphologies by Blending Homopolymer with Block Copolymer

Matsen, M. W.·1995·Physical Review Letters

Abstract

We examine weakly segregated blends of $\mathrm{AB}$ diblock copolymer and $A$ homopolymer using self-consistent field theory. The addition of homopolymer to a diblock melt is found to stabilize new ordered morphologies: close-packed spheres, hexagonally perforated lamellae, and bicontinuous cubic ( ${\mathrm{Q}}_{\mathrm{Pn}\overline{3}m}$ and ${\mathrm{Q}}_{\mathrm{Ia}\overline{3}d}$) phases. We find highly swollen phases that we associate with spherical, cylindrical, and lamellar micellar regions, and with disordered struts.

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Metadata

Authors
Matsen, M. W.
Venue
Physical Review Letters
Published
1995-05-22
Volume
74
Issue
21
Pages
4225-4228
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2086590255
Cited by
284
References
0
FWCI
14.23
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Stabilizing New Morphologies by Blending Homopolymer with Block Copolymer. https://app.cochat.ai/papers/10.1103/physrevlett.74.4225
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Matsen, M. W. (1995). Stabilizing New Morphologies by Blending Homopolymer with Block Copolymer. Physical Review Letters. https://doi.org/10.1103/physrevlett.74.4225

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